To meet the structural requirements and specifications of SIPs, all structures are pre-engineered. We can incorporate a variety of building components into the super structure to meet the unique needs of each customer. Possible components include structural steel, timber frames, LVLs, pre-cast concrete and architectural grade laminated members.

For further information on the technical specifications of SIPs please visit:

What Our Customers Have To Say

Extreme Structures LLC was the company we hired to do a 1200 sq. ft. addition on our home in Milwaukee. They truly were experts in their field. We found them to be, dependable, conscientious, with superior attention for detail, and extremely easy to work with. After our initial experience, there was never a second thought as to who would build our dream home in Denmark. Our new home is everything we hoped for and more!

-Fred and Barb

Click Here to Read More Customer Testimonials

Featured Projects